Finding the Third Proportional to 1,223,412,051 and 1,812,184,618.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,223,412,051 : 1,812,184,618.50 = 1,812,184,618.50 : x
2. Step 2: Convert to fraction form
   1,223,412,051/1,812,184,618.50 = 1,812,184,618.50/x
3. Step 3: Cross multiply
   1,223,412,051x = 1,812,184,618.50 × 1,812,184,618.50
4. Step 4: Simplify right side
   1,223,412,051x = 3,284,013,091,527,990,784
5. Step 5: Solve for x
   x = 3,284,013,091,527,990,784/1,223,412,051
6. Step 6: Final answer
   x = 2,684,306,639.65